package/relayd/files/relay.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (c) 2011-2012 OpenWrt.org
   3 START=80
   4
   5 resolve_ifname() {
   6         grep -qs "^ *$1:" /proc/net/dev && {
   7                 append args "-I $1"
   8                 append ifaces "$1"
   9         }
  10 }
  11
  12 resolve_network() {
  13         local ifn
  14         config_get ifn "$1" ifname
  15         [ -z "$ifn" ] && return 1
  16         resolve_ifname "$ifn"
  17         return 0
  18 }
  19
  20 start_relay() {
  21         local cfg="$1"
  22
  23         local args=""
  24         local ifaces=""
  25
  26         config_get proto "$cfg" proto
  27         [[ "$proto" == relay ]] || return 0
  28
  29         fixup_interface "$cfg"
  30
  31         SERVICE_DAEMONIZE=1
  32         SERVICE_WRITE_PID=1
  33         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  34         [ -f "$SERVICE_PID_FILE" ] && {
  35                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  36                         return 0
  37                 else
  38                         rm -f "$SERVICE_PID_FILE"
  39                 fi
  40         }
  41
  42         local net networks
  43         config_get networks "$cfg" network
  44         for net in $networks; do
  45                 resolve_network "$net" || {
  46                         return 1
  47                 }
  48         done
  49
  50         local ifn ifnames
  51         config_get ifnames "$cfg" ifname
  52         for ifn in $ifnames; do
  53                 resolve_ifname "$ifn"
  54         done
  55
  56         local ipaddr
  57         config_get ipaddr "$cfg" ipaddr
  58         [ -n "$ipaddr" ] && append args "-L $ipaddr"
  59
  60         local gateway
  61         config_get gateway "$cfg" gateway
  62         [ -n "$gateway" ] && append args "-G $gateway"
  63
  64         local expiry # = 30
  65         config_get expiry "$cfg" expiry
  66         [ -n "$expiry" ] && append args "-t $expiry"
  67
  68         local retry # = 5
  69         config_get retry "$cfg" retry
  70         [ -n "$retry" ] && append args "-p $retry"
  71
  72         local table # = 16800
  73         config_get table "$cfg" table
  74         [ -n "$table" ] && append args "-T $table"
  75
  76         local fwd_bcast # = 1
  77         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  78         [ $fwd_bcast -eq 1 ] && append args "-B"
  79
  80         local fwd_dhcp # = 1
  81         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
  82         [ $fwd_dhcp -eq 1 ] && append args "-D"
  83
  84         service_start /usr/sbin/relayd $args
  85 }
  86
  87 stop() {
  88         for pid in /var/run/relay-*.pid; do
  89                 SERVICE_PID_FILE="$pid"
  90                 service_stop /usr/sbin/relayd
  91                 rm -f "$SERVICE_PID_FILE"
  92         done
  93 }
  94
  95 start() {
  96         include /lib/network
  97         config_load network
  98         config_foreach start_relay interface
  99 }